Carl zeiss jena binoculars
It may be so, but the qualities of the Tessar go beyond this f2.8 maximum aperture, as the lens performs really well when kept in the f5.6-f.8 range. Today, 50mm f2.8 Tessar are often overlooked mainly because people think that this is a slow lens and probably because they are the cheapest Carl Zeiss vintage lenses. Some versions are marked with a red T, which indicates that they have a multi-coating layer.
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The 50mm f2.8 Tessar was launched at the beginning of the 1950s in an all chrome version and was followed by a zebra version and then by a black version, with green or red markings. Note that many modern lenses found in mobile phones and entry level digital cameras only share the name with the Tessar. The Tessar was made in numerous mounts and evolved under Zeiss, but the optical formula was also incorporated in other lenses such as the Soviet Industar 50-2. Then the German physicist Paul Rudolph, who worked at Zeiss, developed this so called 4 elements in 3 groups construction that made Tessar one of the most successful vintage lenses ever made. However, the history of the Tessar goes way back, as its optical formula dates back to 1902. Through the years it equipped many of the 35mm film cameras sold in the former Soviet Bloc. The 50mm f2.8 Carl Zeiss Tessar is a standard lens, one of the most iconic vintage lenses produced in Eastern Europe.
Carl zeiss jena binoculars series#
In fact, we consider that they cannot match the build quality displayed by premium Japanese lenses, such as the Takumar series made by Asahi Pentax.Ĭompared to other German brands, Carl Zeiss lenses have a certain reputation and which hasn't been surpassed as time went by. Mechanically though, their quality differed, from very good for the most part of their existence to only good in the final years (late 1980s - early 1990s). Optics-wise, the quality of Jena lenses was very solid. The Western branch also developed the Sonnar and the Tessar, albeit in different focal length, along with other lens series such as the Biogon, Distagon and Planar.
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The latest generation of classic Carl Zeiss Jena lenses was made of plain metal with red or green markings. Through the years, their lenses had different exterior designs and trims: the older ones were chromed and then came the "zebra" type. Their portfolio includes many generations of lenses such as the Tessar, the Sonnar, the Pancolar and the Flektogon. But when sold in the Western countries, they were branded simply “aus Jena” or just "Jena", as Carl Zeiss West Germany had the right to use the original name. When sold in Eastern European countries, the lenses were named "Carl Zeiss Jena". The company not only produced camera lenses, but also binoculars, industrial optics and optical equipment for the military. Later they also used the Prakticar bayonet system. One part of the company continued production in Jena, the German Democratic Republic, while the other relocated in Oberkochen, West Germany.Ĭarl Zeiss Jena built lenses in the M42 and Exakta mounts. At that particular time Carl Zeiss, which had been founded in Jena in 1846 as an optics workshop, was divided between the two German states. Even after more than 30 years, it’s optics still hold up quite well when compared with today’s quality binoculars.Carl Zeiss Jena is the Eastern branch of the legendary Carl Zeiss Company and appeared under this name after World War II. It features an impressively wide field of view and, due to the wide IPD range, can be used by people with a very narrow IPD. The Jenoptem 10×50 W was produced from 1971 until 1990 this particular sample was made in 1986. * range of diopter adjustment not affected by position of focus wheel Weight (measured, with eyepiece cover and strap): 1‘067 g Range of diopter adjustment (estimate): +/- 4 dpt*Įxcess travel of focus wheel beyond infinity position (estimate): 6.5 dpt*
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Minimum focus distance (measured): 5.85 mįocus type: CF (direction of rotation from close to infinity: > clockwise)ĭegrees of rotation of focus wheel from 5.85 m to infinity (measured): 220 degrees Usable eye relief (measured from rim of eyecup): 7 mm